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What is Phentermine?

Phentermine is an appetite suppressant to help reduce weight when used short-term and combined with exercise, diet, and behavioral modification. It is typically prescribed for individuals who are at increased medical risk because of their weight and works by reducing appetite.

Reported Purpose & Efficacy

Reasons and Efficacy
Purpose # of patients
# of patients with evaluations Efficacy
Major
Moderate
Slight
None
Can’t tell
Weight loss 35 10 Efficacy_major Efficacy_moderate Efficacy_slight
Fatigue 14 3 Efficacy_major Efficacy_moderate
Support weight loss 8 3 Efficacy_major Efficacy_slight
Other 4 1 Efficacy_major
Exhaustion 3 0
extreme fatigue, keep from falling asleep 2 1 Efficacy_moderate

See all 45 patients currently taking Phentermine

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Reported Side Effects

Side effects as an overall problem

Severe
 0
Moderate
 2
Mild
 6
None
 14

Commonly reported side effects, conditions, and hospitalizations associated with Phentermine

Insomnia 3
Constipation 2
Overactivity 2
Jittery feeling 2
Need for nap 2
Weight loss 1
See all 10 reported side effects ▼ See top 6 reported side effects ▲

Reported Dosages

Frequently reported dosages based on patients currently taking Phentermine. See all 11 dosages ►

  25mg as needed daily 15 mg daily 18.75 mg daily 20 mg daily 30 mg daily 37.5 mg daily 60 mg daily 75 mg daily 112.5 mg daily
  1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 3 Number of Patients: 3 1 Number of Patients: 1 7 Number of Patients: 7 26 Number of Patients: 26 1 Number of Patients: 1 2 Number of Patients: 2 1 Number of Patients: 1  

Reported Stop Reasons

Why Patients Stopped Taking Phentermine (multiple reasons could be selected)
Reason # Patients Percentage of patients
Doctor's advice 7   Doctor's advice: 28%
Other 6   Other: 24%
Course of treatment ended 5   Course of treatment ended: 20%
Did not seem to work 4   Did not seem to work: 16%
Side effects too severe 2   Side effects too severe: 8%
Expense 2   Expense: 8%
Change in health plan coverage 1   Change in health plan coverage: 4%
Not indicated 1   Not indicated: 4%

See all 22 patients who’ve stopped taking Phentermine

Reported Duration See details about how long patients take this treatment ▼

Currently Taking Phentermine

A bar graph

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more

Stopped Taking Phentermine

A bar graph

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more

Reported Adherence, Burden & Cost See details from patient evaluations ▼

Adherence

Taking treatment as prescribed

Adherence of Phentermine

Always
 17 77%
Usually
 2 9%
Sometimes
 0 0%
Never
 3 14%

Burden

Difficulty being on treatment

Burden of Phentermine

Very
 0 0%
Somewhat
 0 0%
A little
 2 9%
Not at all
 20 91%

Cost

Paid out of pocket

Cost of Phentermine

$200+
 0 0%
$100-199
 3 18%
$50-99
 3 18%
$25-49
 6 35%
< $25
 5 29%

See more information, including instructions, precautions, side effects, and interactions.

Report created on February 11, 2012.